﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _35派生类的构造函数
{
    class Program
    {
        static void Main(string[] args)
        {

            Sub s = new Sub();
            Sub s1 = new Sub(10,20);

            Console.ReadKey();
        }
    }
}
